Introspection is stated as “the method per excellence by means of which mental states can be manipulated for purpose of psychology” (Watson, 1994, p. 228). Watson proposed the complete elimination of introspection from psychology, continued to advice psychologist to study only things that could be observed and measured. Watson suggested psychology without consciousness and introspection, he rejected the concept of the unconscious and the internal mental state of a person because it was not observable and was subject to the psychologist's subjective interpretation. To Watson interpreting dreams and analyzing dreams cannot be used as a basis for understanding human life nor behavior. Watson found this emphasis on introspection and subjective